Industrial vacuum cleaner



FIG. 1 is a perspective view of the right side of an industrial vacuum cleaner showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front perspective view thereof; and,

FIG. 5 is a perspective view of the left side and rear thereof. 

The ornamental design for an industrial vacuum cleaner, as shown and described. 